Past the graffiti-covered overpass and subway tracks, in a slum penned in by high-rises, 8-year-old Gabriela Aparecida fixes her curly hair into a bun as she waits for a ride to her new favorite activity: ballet. Peeling back the tarp over the doorway, the skinny girl reaches out into the dirt alleyway to hug the church volunteer arriving to take her to dance class.